diff --git a/devices.db b/devices.db
index 1328a33..ffd8807 100644
Binary files a/devices.db and b/devices.db differ
diff --git a/src/services/MessageRouter.ts b/src/services/MessageRouter.ts
index 925e286..565c301 100644
--- a/src/services/MessageRouter.ts
+++ b/src/services/MessageRouter.ts
@@ -572,14 +572,14 @@ export class MessageRouter {
         return true
       }
 
-      // 🔧 优化去重逻辑：调整时间间隔判断，避免误杀正常数据
+      // 优化去重逻辑：调整时间间隔判断，避免误杀正常数据
       const existingBuffer = this.screenDataBuffer.get(screenData.deviceId)
       if (existingBuffer) {
         // 如果有旧数据且时间间隔过短，可能是重复数据，跳过
         const timeDiff = Date.now() - existingBuffer.timestamp
-        if (timeDiff < 50) { // 放宽到50ms内的重复数据才去重，避免误杀正常的250ms间隔数据
+        if (timeDiff < 30) { // 30ms内的重复数据才去重，配合50ms发送间隔
           this.droppedFrames++
-          this.logger.debug(`⚠️ 跳过重复屏幕数据: 设备${screenData.deviceId}, 间隔${timeDiff}ms`)
+          this.logger.debug(`[dedup] skip screen data: device=${screenData.deviceId}, interval=${timeDiff}ms`)
           return false
         }
       }